Cameron Sino Rechargeble Battery for Sealife Reefmaster DC 800 Type: Li-ion, Volts: 3.7V, Capacity: 1250mAh Dimension: 41.95 x 36.05 x 9.80mm, Weight: 100g All Products are Certificated with ISO9001, RoHS & CE 14 Days Money Back Guarantee and 12 Months Warranty